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소숫점: 1자리 덧셈31

1
3.1
+
2.3
=
5.4
2
7.7
+
6.1
=
13.8
3
5.8
+
4.1
=
9.9
4
2.2
+
2.8
=
5
5
3.7
+
3.1
=
6.8
6
8.2
+
3.7
=
11.9
7
9.1
+
2.2
=
11.3
8
8.3
+
4.5
=
12.8
9
6.2
+
9.5
=
15.7
10
2.3
+
9.3
=
11.6
11
4.2
+
1.3
=
5.5
12
2.7
+
3.3
=
6
13
3.6
+
5.2
=
8.8
14
4.7
+
5.7
=
10.4
15
4.2
+
7.7
=
11.9